#include "mc/mc.h"
#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/plugins/file_system.h"
#include "smpi_coll.hpp"
#include "smpi_f2c.hpp"
#include "smpi_host.hpp"
#include "xbt/config.hpp"
#include <algorithm>
+#include <boost/algorithm/string.hpp> /* trim_right / trim_left */
+#include <boost/tokenizer.hpp>
#include <cfloat> /* DBL_MAX */
#include <cinttypes>
#include <cstdint> /* intmax_t */
#include <dlfcn.h>
#include <fcntl.h>
#include <fstream>
+#include <sys/stat.h>
+
+#if SG_HAVE_SENDFILE
+#include <sys/sendfile.h>
+#endif
-#if not defined(__APPLE__)
+#if HAVE_PAPI
+#include "papi.h"
+#endif
+
+#if not defined(__APPLE__) && not defined(__HAIKU__)
#include <link.h>
#endif
# ifndef MAC_OS_X_VERSION_10_12
# define MAC_OS_X_VERSION_10_12 101200
# endif
-# define HAVE_WORKING_MMAP (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12)
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-# define HAVE_WORKING_MMAP 0
+constexpr bool HAVE_WORKING_MMAP = (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12);
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__sun) || defined(__HAIKU__)
+constexpr bool HAVE_WORKING_MMAP = false;
#else
-# define HAVE_WORKING_MMAP 1
-#endif
-
-#if SG_HAVE_SENDFILE
-#include <sys/sendfile.h>
+constexpr bool HAVE_WORKING_MMAP = true;
#endif
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi, "Logging specific to SMPI (kernel)");
-#include <boost/tokenizer.hpp>
-#include <boost/algorithm/string.hpp> /* trim_right / trim_left */
#if SMPI_IFORT
extern "C" void for_rtl_init_ (int *, char **);
#endif
#if HAVE_PAPI
-#include "papi.h"
std::string papi_default_config_name = "default";
std::map</* computation unit name */ std::string, papi_process_data> units2papi_setup;
#endif
-using simgrid::s4u::Actor;
-using simgrid::s4u::ActorPtr;
std::unordered_map<std::string, double> location2speedup;
-static std::map</*process_id*/ ActorPtr, simgrid::smpi::ActorExt*> process_data;
-int process_count = 0;
+static std::map</*process_id*/ simgrid::s4u::Actor const*, simgrid::smpi::ActorExt*> process_data;
static int smpi_exit_status = 0;
-int smpi_universe_size = 0;
extern double smpi_total_benched_time;
xbt_os_timer_t global_timer;
static std::vector<std::string> privatize_libs_paths;
static simgrid::config::Flag<double> smpi_init_sleep(
"smpi/init", "Time to inject inside a call to MPI_Init", 0.0);
-void (*smpi_comm_copy_data_callback) (smx_activity_t, void*, size_t) = &smpi_comm_copy_buffer_callback;
-
-int smpi_process_count()
-{
- return process_count;
-}
+void (*smpi_comm_copy_data_callback)(simgrid::kernel::activity::CommImpl*, void*,
+ size_t) = &smpi_comm_copy_buffer_callback;
simgrid::smpi::ActorExt* smpi_process()
{
- ActorPtr me = Actor::self();
+ simgrid::s4u::ActorPtr me = simgrid::s4u::Actor::self();
if (me == nullptr) // This happens sometimes (eg, when linking against NS3 because it pulls openMPI...)
return nullptr;
- return process_data.at(me);
+ return process_data.at(me.get());
}
-simgrid::smpi::ActorExt* smpi_process_remote(ActorPtr actor)
+simgrid::smpi::ActorExt* smpi_process_remote(simgrid::s4u::ActorPtr actor)
{
- return process_data.at(actor);
+ if (actor.get() == nullptr)
+ return nullptr;
+ return process_data.at(actor.get());
}
MPI_Comm smpi_process_comm_self(){
return smpi_process()->comm_self();
}
-void smpi_process_init(int *argc, char ***argv){
- simgrid::smpi::ActorExt::init();
+MPI_Info smpi_process_info_env(){
+ return smpi_process()->info_env();
}
void * smpi_process_get_user_data(){
- return Actor::self()->get_impl()->get_user_data();
+ return simgrid::s4u::Actor::self()->get_impl()->get_user_data();
}
void smpi_process_set_user_data(void *data){
- Actor::self()->get_impl()->set_user_data(data);
-}
-
-
-int smpi_global_size()
-{
- char *value = getenv("SMPI_GLOBAL_SIZE");
- xbt_assert(value,"Please set env var SMPI_GLOBAL_SIZE to the expected number of processes.");
-
- return xbt_str_parse_int(value, "SMPI_GLOBAL_SIZE contains a non-numerical value: %s");
+ simgrid::s4u::Actor::self()->get_impl()->set_user_data(data);
}
void smpi_comm_set_copy_data_callback(void (*callback) (smx_activity_t, void*, size_t))
{
- smpi_comm_copy_data_callback = callback;
+ static void (*saved_callback)(smx_activity_t, void*, size_t);
+ saved_callback = callback;
+ smpi_comm_copy_data_callback = [](simgrid::kernel::activity::CommImpl* comm, void* buff, size_t size) {
+ saved_callback(smx_activity_t(comm), buff, size);
+ };
}
static void memcpy_private(void* dest, const void* src, std::vector<std::pair<size_t, size_t>>& private_blocks)
xbt_assert(block.first <= block.second && block.second <= buff_size, "Oops, bug in shared malloc.");
}
-void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t buff_size)
+void smpi_comm_copy_buffer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size)
{
- simgrid::kernel::activity::CommImplPtr comm =
- boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
- int src_shared = 0;
- int dst_shared = 0;
size_t src_offset = 0;
size_t dst_offset = 0;
std::vector<std::pair<size_t, size_t>> src_private_blocks;
std::vector<std::pair<size_t, size_t>> dst_private_blocks;
XBT_DEBUG("Copy the data over");
- if((src_shared=smpi_is_shared(buff, src_private_blocks, &src_offset))) {
+ if(smpi_is_shared(buff, src_private_blocks, &src_offset)) {
XBT_DEBUG("Sender %p is shared. Let's ignore it.", buff);
src_private_blocks = shift_and_frame_private_blocks(src_private_blocks, src_offset, buff_size);
}
src_private_blocks.clear();
src_private_blocks.push_back(std::make_pair(0, buff_size));
}
- if ((dst_shared = smpi_is_shared((char*)comm->dst_buff_, dst_private_blocks, &dst_offset))) {
+ if (smpi_is_shared((char*)comm->dst_buff_, dst_private_blocks, &dst_offset)) {
XBT_DEBUG("Receiver %p is shared. Let's ignore it.", (char*)comm->dst_buff_);
dst_private_blocks = shift_and_frame_private_blocks(dst_private_blocks, dst_offset, buff_size);
}
XBT_DEBUG("Copying %zu bytes from %p to %p", buff_size, tmpbuff, comm->dst_buff_);
memcpy_private(comm->dst_buff_, tmpbuff, private_blocks);
- if (comm->detached) {
+ if (comm->detached()) {
// if this is a detached send, the source buffer was duplicated by SMPI
// sender to make the original buffer available to the application ASAP
xbt_free(buff);
xbt_free(tmpbuff);
}
-void smpi_comm_null_copy_buffer_callback(smx_activity_t comm, void *buff, size_t buff_size)
+void smpi_comm_null_copy_buffer_callback(simgrid::kernel::activity::CommImpl*, void*, size_t)
{
/* nothing done in this version */
}
xbt_assert(simgrid::config::get_value<int>("smpi/async-small-thresh") <=
simgrid::config::get_value<int>("smpi/send-is-detached-thresh"));
- if (simgrid::config::is_default("smpi/host-speed")) {
+ if (simgrid::config::is_default("smpi/host-speed") && not MC_is_active()) {
XBT_INFO("You did not set the power of the host running the simulation. "
"The timings will certainly not be accurate. "
- "Use the option \"--cfg=smpi/host-speed:<flops>\" to set its value."
- "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information.");
+ "Use the option \"--cfg=smpi/host-speed:<flops>\" to set its value. "
+ "Check "
+ "https://simgrid.org/doc/latest/Configuring_SimGrid.html#automatic-benchmarking-of-smpi-code for more "
+ "information.");
}
xbt_assert(simgrid::config::get_value<double>("smpi/cpu-threshold") >= 0,
}
int smpi_enabled() {
- return not process_data.empty();
+ return MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED;
}
-void smpi_global_init()
+static void smpi_init_papi()
{
- if (not MC_is_active()) {
- global_timer = xbt_os_timer_new();
- xbt_os_walltimer_start(global_timer);
- }
-
- std::string filename = simgrid::config::get_value<std::string>("smpi/comp-adjustment-file");
- if (not filename.empty()) {
- std::ifstream fstream(filename);
- if (not fstream.is_open()) {
- xbt_die("Could not open file %s. Does it exist?", filename.c_str());
- }
-
- std::string line;
- typedef boost::tokenizer< boost::escaped_list_separator<char>> Tokenizer;
- std::getline(fstream, line); // Skip the header line
- while (std::getline(fstream, line)) {
- Tokenizer tok(line);
- Tokenizer::iterator it = tok.begin();
- Tokenizer::iterator end = std::next(tok.begin());
-
- std::string location = *it;
- boost::trim(location);
- location2speedup.insert(std::pair<std::string, double>(location, std::stod(*end)));
- }
- }
-
#if HAVE_PAPI
// This map holds for each computation unit (such as "default" or "process1" etc.)
// the configuration as given by the user (counter data as a pair of (counter_name, counter_counter))
#endif
}
-void smpi_global_destroy()
-{
- smpi_bench_destroy();
- smpi_shared_destroy();
- smpi_deployment_cleanup_instances();
-
- if (simgrid::smpi::Colls::smpi_coll_cleanup_callback != nullptr)
- simgrid::smpi::Colls::smpi_coll_cleanup_callback();
-
- MPI_COMM_WORLD = MPI_COMM_NULL;
-
- if (not MC_is_active()) {
- xbt_os_timer_free(global_timer);
- }
-
- if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
- smpi_destroy_global_memory_segments();
- smpi_free_static();
- if(simgrid::smpi::F2C::lookup() != nullptr)
- simgrid::smpi::F2C::delete_lookup();
-}
-
static void smpi_init_options(){
// return if already called
if (smpi_cpu_threshold > -1)
simgrid::smpi::Colls::set_collectives();
simgrid::smpi::Colls::smpi_coll_cleanup_callback = nullptr;
smpi_cpu_threshold = simgrid::config::get_value<double>("smpi/cpu-threshold");
- smpi_host_speed = simgrid::config::get_value<double>("smpi/host-speed");
- xbt_assert(smpi_host_speed > 0.0, "You're trying to set the host_speed to a non-positive value (given: %f)", smpi_host_speed);
+ if (smpi_cpu_threshold < 0)
+ smpi_cpu_threshold = DBL_MAX;
+
+ smpi_host_speed = simgrid::config::get_value<double>("smpi/host-speed");
std::string smpi_privatize_option = simgrid::config::get_value<std::string>("smpi/privatization");
if (smpi_privatize_option == "no" || smpi_privatize_option == "0")
smpi_privatize_global_variables = SmpiPrivStrategies::NONE;
XBT_DEBUG("Running without smpi_main(); disable smpi/privatization.");
smpi_privatize_global_variables = SmpiPrivStrategies::NONE;
}
-#if !HAVE_WORKING_MMAP
- if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
+ if (not HAVE_WORKING_MMAP && smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
XBT_INFO("mmap privatization is broken on this platform, switching to dlopen privatization instead.");
smpi_privatize_global_variables = SmpiPrivStrategies::DLOPEN;
}
-#endif
-
- if (smpi_cpu_threshold < 0)
- smpi_cpu_threshold = DBL_MAX;
std::string val = simgrid::config::get_value<std::string>("smpi/shared-malloc");
if ((val == "yes") || (val == "1") || (val == "on") || (val == "global")) {
typedef int (* smpi_c_entry_point_type)(int argc, char **argv);
typedef void (*smpi_fortran_entry_point_type)();
-static int smpi_run_entry_point(smpi_entry_point_type entry_point, const std::string& executable_path,
- std::vector<std::string> args)
+template <typename F>
+static int smpi_run_entry_point(const F& entry_point, const std::string& executable_path, std::vector<std::string> args)
{
// copy C strings, we need them writable
std::vector<char*>* args4argv = new std::vector<char*>(args.size());
args4argv->push_back(nullptr);
char** argv = args4argv->data();
- simgrid::smpi::ActorExt::init();
#if SMPI_IFORT
for_rtl_init_ (&argc, argv);
#elif SMPI_FLANG
{
smpi_fortran_entry_point_type entry_point_fortran = (smpi_fortran_entry_point_type)dlsym(handle, "user_main_");
if (entry_point_fortran != nullptr) {
- return [entry_point_fortran](int argc, char** argv) {
+ return [entry_point_fortran](int, char**) {
entry_point_fortran();
return 0;
};
#endif
// If this point is reached, sendfile() actually is not available. Copy file by hand.
const int bufsize = 1024 * 1024 * 4;
- char buf[bufsize];
+ char* buf = new char[bufsize];
while (int got = read(fdin, buf, bufsize)) {
if (got == -1) {
xbt_assert(errno == EINTR, "Cannot read from %s", src.c_str());
}
}
}
+ delete[] buf;
close(fdin);
close(fdout);
}
-#if not defined(__APPLE__)
+#if not defined(__APPLE__) && not defined(__HAIKU__)
static int visit_libs(struct dl_phdr_info* info, size_t, void* data)
{
char* libname = (char*)(data);
// get library name from path
char fullpath[512] = {'\0'};
strncpy(fullpath, libname.c_str(), 511);
-#if not defined(__APPLE__)
- int ret = dl_iterate_phdr(visit_libs, fullpath);
- if (ret == 0)
- xbt_die("Can't find a linked %s - check the setting you gave to smpi/privatize-libs", fullpath);
- else
- XBT_DEBUG("Extra lib to privatize found : %s", fullpath);
+#if not defined(__APPLE__) && not defined(__HAIKU__)
+ xbt_assert(0 != dl_iterate_phdr(visit_libs, fullpath),
+ "Can't find a linked %s - check your settings in smpi/privatize-libs", fullpath);
+ XBT_DEBUG("Extra lib to privatize '%s' found", fullpath);
#else
- xbt_die("smpi/privatize-libs is not (yet) compatible with OSX");
+ xbt_die("smpi/privatize-libs is not (yet) compatible with OSX nor with Haiku");
#endif
privatize_libs_paths.push_back(fullpath);
dlclose(libhandle);
smpi_copy_file(libpath, target_lib, fdin_size2);
std::string sedcommand = "sed -i -e 's/" + libname + "/" + target_lib + "/g' " + target_executable;
- int ret = system(sedcommand.c_str());
- if (ret != 0)
- xbt_die("error while applying sed command %s \n", sedcommand.c_str());
+ xbt_assert(system(sedcommand.c_str()) == 0, "error while applying sed command %s \n", sedcommand.c_str());
}
}
for (const std::string& target_lib : target_libs)
unlink(target_lib.c_str());
}
- if (handle == nullptr)
- xbt_die("dlopen failed: %s (errno: %d -- %s)", dlerror(), saved_errno, strerror(saved_errno));
+ xbt_assert(handle != nullptr, "dlopen failed: %s (errno: %d -- %s)", dlerror(), saved_errno,
+ strerror(saved_errno));
+
smpi_entry_point_type entry_point = smpi_resolve_function(handle);
- if (not entry_point)
- xbt_die("Could not resolve entry point");
+ xbt_assert(entry_point, "Could not resolve entry point");
smpi_run_entry_point(entry_point, executable, args);
});
};
{
if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
smpi_prepare_global_memory_segment();
+
// Load the dynamic library and resolve the entry point:
void* handle = dlopen(executable.c_str(), RTLD_LAZY | RTLD_LOCAL);
- if (handle == nullptr)
- xbt_die("dlopen failed for %s: %s (errno: %d -- %s)", executable.c_str(), dlerror(), errno, strerror(errno));
+ xbt_assert(handle != nullptr, "dlopen failed for %s: %s (errno: %d -- %s)", executable.c_str(), dlerror(), errno,
+ strerror(errno));
smpi_entry_point_type entry_point = smpi_resolve_function(handle);
- if (not entry_point)
- xbt_die("main not found in %s", executable.c_str());
+ xbt_assert(entry_point, "main not found in %s", executable.c_str());
+
if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
smpi_backup_global_memory_segment();
int smpi_main(const char* executable, int argc, char* argv[])
{
- srand(SMPI_RAND_SEED);
-
if (getenv("SMPI_PRETEND_CC") != nullptr) {
/* Hack to ensure that smpicc can pretend to be a simple compiler. Particularly handy to pass it to the
* configuration tools */
SIMIX_global_init(&argc, argv);
SMPI_switch_data_segment = &smpi_switch_data_segment;
-
+ sg_storage_file_system_init();
// parse the platform file: get the host list
simgrid::s4u::Engine::get_instance()->load_platform(argv[1]);
SIMIX_comm_set_copy_data_callback(smpi_comm_copy_buffer_callback);
SMPI_app_instance_register(smpi_default_instance_name.c_str(), nullptr,
process_data.size()); // This call has a side effect on process_count...
MPI_COMM_WORLD = *smpi_deployment_comm_world(smpi_default_instance_name);
- smpi_universe_size = process_count;
-
/* Clean IO before the run */
fflush(stdout);
"You may want to use sampling functions or trace replay to reduce this.");
}
}
- smpi_global_destroy();
+ SMPI_finalize();
return smpi_exit_status;
}
// Called either directly from the user code, or from the code called by smpirun
void SMPI_init(){
- simgrid::s4u::Actor::on_creation.connect([](simgrid::s4u::ActorPtr actor) {
- if (not actor->is_daemon()) {
- process_data.insert({actor, new simgrid::smpi::ActorExt(actor, nullptr)});
+ simgrid::s4u::Actor::on_creation.connect([](simgrid::s4u::Actor& actor) {
+ if (not actor.is_daemon()) {
+ process_data.insert({&actor, new simgrid::smpi::ActorExt(&actor)});
}
});
- simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::ActorPtr actor) {
- auto it = process_data.find(actor);
+ simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::Actor const& actor) {
+ XBT_DEBUG("Delete the extension of actor %s", actor.get_cname());
+ auto it = process_data.find(&actor);
if (it != process_data.end()) {
delete it->second;
process_data.erase(it);
[](simgrid::s4u::Host& host) { host.extension_set(new simgrid::smpi::Host(&host)); });
smpi_init_options();
- smpi_global_init();
+ if (not MC_is_active()) {
+ global_timer = xbt_os_timer_new();
+ xbt_os_walltimer_start(global_timer);
+ }
+
+ std::string filename = simgrid::config::get_value<std::string>("smpi/comp-adjustment-file");
+ if (not filename.empty()) {
+ std::ifstream fstream(filename);
+ xbt_assert(fstream.is_open(), "Could not open file %s. Does it exist?", filename.c_str());
+
+ std::string line;
+ typedef boost::tokenizer<boost::escaped_list_separator<char>> Tokenizer;
+ std::getline(fstream, line); // Skip the header line
+ while (std::getline(fstream, line)) {
+ Tokenizer tok(line);
+ Tokenizer::iterator it = tok.begin();
+ Tokenizer::iterator end = std::next(tok.begin());
+
+ std::string location = *it;
+ boost::trim(location);
+ location2speedup.insert(std::pair<std::string, double>(location, std::stod(*end)));
+ }
+ }
+ smpi_init_papi();
smpi_check_options();
}
-void SMPI_finalize(){
- smpi_global_destroy();
+void SMPI_finalize()
+{
+ smpi_bench_destroy();
+ smpi_shared_destroy();
+ smpi_deployment_cleanup_instances();
+
+ if (simgrid::smpi::Colls::smpi_coll_cleanup_callback != nullptr)
+ simgrid::smpi::Colls::smpi_coll_cleanup_callback();
+
+ MPI_COMM_WORLD = MPI_COMM_NULL;
+
+ if (not MC_is_active()) {
+ xbt_os_timer_free(global_timer);
+ }
+
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
+ smpi_destroy_global_memory_segments();
+ if (simgrid::smpi::F2C::lookup() != nullptr)
+ simgrid::smpi::F2C::delete_lookup();
}
void smpi_mpi_init() {
smpi_init_fortran_types();
if(smpi_init_sleep > 0)
- simcall_process_sleep(smpi_init_sleep);
+ simgrid::s4u::this_actor::sleep_for(smpi_init_sleep);
}
